<!DOCTYPE html>
<html lang='en'>

<head>
   <meta charset='UTF-8'>
   <meta http-equiv='X-UA-Compatible' content='IE=edge'>
   <meta name='viewport' content='width=device-width, initial-scale=1.0'>
   <title>Document</title>
   <script src='../vue.js'></script>
</head>

<body>
   <div id='app'>
   <h1>{{msg}}</h1>
   </div>
   <script>
      const vm = new Vue({
         data: {
            msg: 'Hello Vue!!!'
         }
      })

      setTimeout(() => {
         vm.$mount = ('#app')
      }, 2000)

      /* new Vue ({
         data: {
            msg: 'Hello Vue!!!'
         }
      }).$mount('#app') */
      
   </script>
</body>

</html>